/
QGIViewDimension.cpp
2295 lines (1913 loc) · 87.9 KB
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QGIViewDimension.cpp
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/***************************************************************************
* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifdef FC_OS_WIN32
#define _USE_MATH_DEFINES //re Windows & M_PI issues
#endif
#include <cmath>
#ifndef _PreComp_
#include <BRep_Builder.hxx>
#include <TopoDS_Compound.hxx>
# include <TopoDS_Shape.hxx>
# include <TopoDS_Edge.hxx>
# include <TopoDS.hxx>
# include <BRepAdaptor_Curve.hxx>
# include <Precision.hxx>
# include <QGraphicsScene>
# include <QGraphicsSceneMouseEvent>
# include <QPainter>
# include <QPaintDevice>
# include <QSvgGenerator>
#endif
#include <App/Application.h>
#include <App/Material.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Parameter.h>
#include <Base/UnitsApi.h>
#include <Gui/Command.h>
#include <Mod/Part/App/PartFeature.h>
#include <Mod/TechDraw/App/DrawViewDimension.h>
#include <Mod/TechDraw/App/DrawViewPart.h>
#include <Mod/TechDraw/App/DrawUtil.h>
#include <Mod/TechDraw/App/Geometry.h>
#include "Rez.h"
#include "ZVALUE.h"
#include "QGCustomLabel.h"
#include "QGCustomBorder.h"
#include "QGCustomText.h"
#include "QGICaption.h"
#include "QGCustomImage.h"
#include "QGIArrow.h"
#include "QGIDimLines.h"
#include "QGIViewDimension.h"
#include "ViewProviderDimension.h"
#include "DrawGuiUtil.h"
#define NORMAL 0
#define PRE 1
#define SEL 2
//TODO: hide the Qt coord system (+y down).
using namespace TechDraw;
using namespace TechDrawGui;
enum SnapMode{
NoSnap,
VerticalSnap,
HorizontalSnap
};
QGIDatumLabel::QGIDatumLabel()
{
posX = 0;
posY = 0;
setCacheMode(QGraphicsItem::NoCache);
setFlag(ItemSendsGeometryChanges, true);
setFlag(ItemIsMovable, true);
setFlag(ItemIsSelectable, true);
setAcceptHoverEvents(true);
setFiltersChildEvents(true);
m_dimText = new QGCustomText();
m_dimText->setParentItem(this);
m_tolTextOver = new QGCustomText();
m_tolTextOver->setParentItem(this);
m_tolTextUnder = new QGCustomText();
m_tolTextUnder->setParentItem(this);
m_unitText = new QGCustomText();
m_unitText->setParentItem(this);
m_ctrl = false;
m_isFramed = false;
m_lineWidth = Rez::guiX(0.5);
}
QVariant QGIDatumLabel::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == ItemSelectedHasChanged && scene()) {
if(isSelected()) {
setPrettySel();
} else {
setPrettyNormal();
}
update();
} else if(change == ItemPositionHasChanged && scene()) {
setLabelCenter();
Q_EMIT dragging(m_ctrl);
}
return QGraphicsItem::itemChange(change, value);
}
void QGIDatumLabel::mousePressEvent(QGraphicsSceneMouseEvent * event)
{
if(event->modifiers() & Qt::ControlModifier) {
m_ctrl = true;
}
if(scene() && this == scene()->mouseGrabberItem()) {
Q_EMIT dragFinished();
}
QGraphicsItem::mousePressEvent(event);
}
void QGIDatumLabel::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
{
QGraphicsItem::mouseMoveEvent(event);
}
void QGIDatumLabel::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
{
// Base::Console().Message("QGIDL::mouseReleaseEvent()\n");
m_ctrl = false;
if(scene() && this == scene()->mouseGrabberItem()) {
Q_EMIT dragFinished();
}
QGraphicsItem::mouseReleaseEvent(event);
}
void QGIDatumLabel::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
Q_EMIT hover(true);
if (!isSelected()) {
setPrettyPre();
} else {
setPrettySel();
}
QGraphicsItem::hoverEnterEvent(event);
}
void QGIDatumLabel::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_EMIT hover(false);
if (!isSelected()) {
setPrettyNormal();
} else {
setPrettySel();
}
QGraphicsItem::hoverLeaveEvent(event);
}
QRectF QGIDatumLabel::boundingRect() const
{
QRectF result = childrenBoundingRect();
result.adjust(-m_lineWidth*4.0, 0.0, 0.0, 0.0);
return result;
}
void QGIDatumLabel::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(widget);
Q_UNUSED(painter);
QStyleOptionGraphicsItem myOption(*option);
myOption.state &= ~QStyle::State_Selected;
// painter->setPen(Qt::blue);
// painter->drawRect(boundingRect()); //good for debugging
if (m_isFramed) {
QPen prevPen = painter->pen();
QPen framePen(prevPen);
framePen.setWidthF(m_lineWidth);
framePen.setColor(m_dimText->defaultTextColor());
painter->setPen(framePen);
painter->drawRect(boundingRect());
painter->setPen(prevPen);
}
}
void QGIDatumLabel::setPosFromCenter(const double &xCenter, const double &yCenter)
{
QGIViewDimension* qgivd = dynamic_cast<QGIViewDimension*>(parentItem());
if( qgivd == nullptr ) {
return; //tarfu
}
const auto dim( dynamic_cast<TechDraw::DrawViewDimension *>(qgivd->getViewObject()) );
if( dim == nullptr ) {
return;
}
//set label's Qt position(top,left) given boundingRect center point
setPos(xCenter - m_dimText->boundingRect().width() / 2., yCenter - m_dimText->boundingRect().height() / 2.);
//set tolerance position
QRectF labelBox = m_dimText->boundingRect();
double right = labelBox.right();
double top = labelBox.top();
double bottom = labelBox.bottom();
double middle = (top + bottom) / 2.0;
QRectF overBox = m_tolTextOver->boundingRect();
double overWidth = overBox.width();
QRectF underBox = m_tolTextUnder->boundingRect();
double underWidth = underBox.width();
double width = underWidth;
if (overWidth > underWidth) {
width = overWidth;
}
double tolRight = right + width;
m_tolTextOver->justifyRightAt(tolRight, middle, false);
m_tolTextUnder->justifyRightAt(tolRight, middle + underBox.height(), false);
//set unit position
if (dim->hasTolerance()) {
m_unitText->setPos(tolRight,top);
} else {
m_unitText->setPos(right, top);
}
}
void QGIDatumLabel::setLabelCenter()
{
//save label's bRect center (posX,posY) given Qt position (top,left)
posX = x() + m_dimText->boundingRect().width() / 2.;
posY = y() + m_dimText->boundingRect().height() / 2.;
}
void QGIDatumLabel::setFont(QFont f)
{
m_dimText->setFont(f);
m_unitText->setFont(f);
QFont tFont(f);
double fontSize = f.pixelSize();
double tolAdj = getTolAdjust();
tFont.setPixelSize((int) (fontSize * tolAdj));
m_tolTextOver->setFont(tFont);
m_tolTextUnder->setFont(tFont);
}
void QGIDatumLabel::setDimString(QString t)
{
prepareGeometryChange();
m_dimText->setPlainText(t);
}
void QGIDatumLabel::setDimString(QString t, qreal maxWidth)
{
prepareGeometryChange();
m_dimText->setPlainText(t);
m_dimText->setTextWidth(maxWidth);
}
void QGIDatumLabel::setTolString()
{
prepareGeometryChange();
QGIViewDimension* qgivd = dynamic_cast<QGIViewDimension*>(parentItem());
if( qgivd == nullptr ) {
return; //tarfu
}
const auto dim( dynamic_cast<TechDraw::DrawViewDimension *>(qgivd->getViewObject()) );
if( dim == nullptr ) {
return;
} else if (!dim->hasTolerance()) {
m_tolTextOver->hide();
m_tolTextUnder->hide(); // don't show if both zero
return;
}
m_tolTextOver->show();
m_tolTextUnder->show();
double overTol = dim->OverTolerance.getValue();
double underTol = dim->UnderTolerance.getValue();
int precision = getPrecision();
QString qsPrecision = QString::number(precision);
QString qsFormatOver = QString::fromUtf8("%+.") + //show sign
qsPrecision +
QString::fromUtf8("g"); //trim trailing zeroes
if (DrawUtil::fpCompare(overTol, 0.0, pow(10.0, -precision))) {
qsFormatOver = QString::fromUtf8("%.") + //no sign
qsPrecision +
QString::fromUtf8("g");
}
QString qsFormatUnder = QString::fromUtf8("%+.") + //show sign
qsPrecision +
QString::fromUtf8("g"); //trim trailing zeroes
if (DrawUtil::fpCompare(underTol, 0.0, pow(10.0, -precision))) {
qsFormatUnder = QString::fromUtf8("%.") + //no sign
qsPrecision +
QString::fromUtf8("g"); //trim trailing zeroes
}
QString overFormat;
QString underFormat;
#if QT_VERSION >= 0x050000
overFormat = QString::asprintf(qsFormatOver.toStdString().c_str(), overTol);
underFormat = QString::asprintf(qsFormatUnder.toStdString().c_str(), underTol);
#else
QString qs2;
overFormat = qs2.sprintf(qsFormatOver.toStdString().c_str(), overTol);
underFormat = qs2.sprintf(qsFormatUnder.toStdString().c_str(), underTol);
#endif
m_tolTextOver->setPlainText(overFormat);
m_tolTextUnder->setPlainText(underFormat);
return;
}
void QGIDatumLabel::setUnitString(QString t)
{
prepareGeometryChange();
m_unitText->setPlainText(t);
}
int QGIDatumLabel::getPrecision(void)
{
int precision;
bool global = false;
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Dimensions");
global = hGrp->GetBool("UseGlobalDecimals", true);
if (global) {
precision = Base::UnitsApi::getDecimals();
} else {
precision = hGrp->GetInt("AltDecimals", 2);
}
return precision;
}
double QGIDatumLabel::getTolAdjust(void)
{
double adjust;
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Dimensions");
adjust = hGrp->GetFloat("TolSizeAdjust", 0.50);
return adjust;
}
void QGIDatumLabel::setPrettySel(void)
{
// Base::Console().Message("QGIDL::setPrettySel()\n");
m_dimText->setPrettySel();
m_tolTextOver->setPrettySel();
m_tolTextUnder->setPrettySel();
m_unitText->setPrettySel();
Q_EMIT setPretty(SEL);
}
void QGIDatumLabel::setPrettyPre(void)
{
// Base::Console().Message("QGIDL::setPrettyPre()\n");
m_dimText->setPrettyPre();
m_tolTextOver->setPrettyPre();
m_tolTextUnder->setPrettyPre();
m_unitText->setPrettyPre();
Q_EMIT setPretty(PRE);
}
void QGIDatumLabel::setPrettyNormal(void)
{
// Base::Console().Message("QGIDL::setPrettyNormal()\n");
m_dimText->setPrettyNormal();
m_tolTextOver->setPrettyNormal();
m_tolTextUnder->setPrettyNormal();
m_unitText->setPrettyNormal();
Q_EMIT setPretty(NORMAL);
}
void QGIDatumLabel::setColor(QColor c)
{
// Base::Console().Message("QGIDL::setColor(%s)\n", qPrintable(c.name()));
m_colNormal = c;
m_dimText->setColor(m_colNormal);
m_tolTextOver->setColor(m_colNormal);
m_tolTextUnder->setColor(m_colNormal);
m_unitText->setColor(m_colNormal);
}
//**************************************************************
QGIViewDimension::QGIViewDimension() :
hasHover(false),
m_lineWidth(0.0)
{
setHandlesChildEvents(false);
setFlag(QGraphicsItem::ItemIsMovable, false);
setFlag(QGraphicsItem::ItemIsSelectable, false);
setAcceptHoverEvents(false);
setCacheMode(QGraphicsItem::NoCache);
datumLabel = new QGIDatumLabel();
// datumLabel->m_parent = this; //for dialog setup eventually
addToGroup(datumLabel);
dimLines = new QGIDimLines();
addToGroup(dimLines);
aHead1 = new QGIArrow();
addToGroup(aHead1);
aHead2 = new QGIArrow();
addToGroup(aHead2);
datumLabel->setZValue(ZVALUE::DIMENSION);
aHead1->setZValue(ZVALUE::DIMENSION);
aHead2->setZValue(ZVALUE::DIMENSION);
dimLines->setZValue(ZVALUE::DIMENSION);
dimLines->setStyle(Qt::SolidLine);
//centerMark = new QGICMark();
//addToGroup(centerMark);
// connecting the needed slots and signals
QObject::connect(
datumLabel, SIGNAL(dragging(bool)),
this , SLOT (datumLabelDragged(bool)));
QObject::connect(
datumLabel, SIGNAL(dragFinished()),
this , SLOT (datumLabelDragFinished()));
QObject::connect(
datumLabel, SIGNAL(selected(bool)),
this , SLOT (select(bool)));
QObject::connect(
datumLabel, SIGNAL(hover(bool)),
this , SLOT (hover(bool)));
QObject::connect(
datumLabel, SIGNAL(setPretty(int)),
this , SLOT (onPrettyChanged(int)));
setZValue(ZVALUE::DIMENSION); //note: this won't paint dimensions over another View if it stacks
//above this Dimension's parent view. need Layers?
}
QVariant QGIViewDimension::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == ItemSelectedHasChanged && scene()) {
if(isSelected()) {
setSelected(false);
datumLabel->setSelected(true);
} else {
datumLabel->setSelected(false);
}
draw();
}
return QGIView::itemChange(change, value);
}
//Set selection state for this and it's children
void QGIViewDimension::setGroupSelection(bool b)
{
// Base::Console().Message("QGIVD::setGroupSelection(%d)\n",b);
setSelected(b);
datumLabel->setSelected(b);
dimLines->setSelected(b);
aHead1->setSelected(b);
aHead2->setSelected(b);
}
void QGIViewDimension::select(bool state)
{
// Base::Console().Message("QGIVD::select(%d)\n", state);
if (state) {
// setPrettySel();
} else {
// setPrettyNormal();
}
// draw();
}
//surrogate for hover enter (true), hover leave (false) events
void QGIViewDimension::hover(bool state)
{
hasHover = state;
draw();
}
void QGIViewDimension::setViewPartFeature(TechDraw::DrawViewDimension *obj)
{
// Base::Console().Message("QGIVD::setViewPartFeature()\n");
if(obj == 0)
return;
setViewFeature(static_cast<TechDraw::DrawView *>(obj));
// Set the QGIGroup Properties based on the DrawView
float x = Rez::guiX(obj->X.getValue());
float y = Rez::guiX(-obj->Y.getValue());
datumLabel->setPosFromCenter(x, y);
setNormalColorAll();
setPrettyNormal();
updateDim();
draw();
}
void QGIViewDimension::setNormalColorAll()
{
QColor qc = prefNormalColor();
datumLabel->setColor(qc);
dimLines->setNormalColor(qc);
aHead1->setNormalColor(qc);
aHead1->setFillColor(qc);
aHead2->setNormalColor(qc);
aHead2->setFillColor(qc);
}
//special handling to prevent unwanted repositioning
//clicking on the dimension, but outside the label, should do nothing to position
//label will get clicks before QGIVDim
void QGIViewDimension::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
{
// Base::Console().Message("QGIVDim::mouseReleaseEvent() - %s\n",getViewName());
QGraphicsItem::mouseReleaseEvent(event);
}
void QGIViewDimension::updateView(bool update)
{
Q_UNUSED(update);
auto dim( dynamic_cast<TechDraw::DrawViewDimension*>(getViewObject()) );
if( dim == nullptr )
return;
auto vp = static_cast<ViewProviderDimension*>(getViewProvider(getViewObject()));
if ( vp == nullptr ) {
return;
}
if (update||
dim->X.isTouched() ||
dim->Y.isTouched()) {
float x = Rez::guiX(dim->X.getValue());
float y = Rez::guiX(dim->Y.getValue());
datumLabel->setPosFromCenter(x,-y);
updateDim();
}
else if(vp->Fontsize.isTouched() ||
vp->Font.isTouched()) {
updateDim();
} else if (vp->LineWidth.isTouched()) { //never happens!!
m_lineWidth = vp->LineWidth.getValue();
updateDim();
} else {
updateDim();
}
draw();
}
void QGIViewDimension::updateDim()
{
const auto dim( dynamic_cast<TechDraw::DrawViewDimension *>(getViewObject()) );
if( dim == nullptr ) {
return;
}
auto vp = static_cast<ViewProviderDimension*>(getViewProvider(getViewObject()));
if ( vp == nullptr ) {
return;
}
// QString labelText = QString::fromUtf8(dim->getFormatedValue().c_str());
//want this split into value and unit
QString labelText;
QString unitText;
if (dim->Arbitrary.getValue()) {
labelText = QString::fromUtf8(dim->getFormatedValue(1).c_str()); //just the number pref/spec/suf
} else {
if (dim->isMultiValueSchema()) {
labelText = QString::fromUtf8(dim->getFormatedValue(0).c_str()); //don't format multis
} else {
labelText = QString::fromUtf8(dim->getFormatedValue(1).c_str()); //just the number pref/spec/suf
unitText = QString::fromUtf8(dim->getFormatedValue(2).c_str()); //just the unit
}
}
QFont font = datumLabel->getFont();
font.setFamily(QString::fromUtf8(vp->Font.getValue()));
font.setPixelSize(calculateFontPixelSize(vp->Fontsize.getValue()));
datumLabel->setFont(font);
prepareGeometryChange();
datumLabel->setDimString(labelText);
datumLabel->setTolString();
datumLabel->setUnitString(unitText);
datumLabel->setPosFromCenter(datumLabel->X(),datumLabel->Y());
datumLabel->setFramed(dim->TheoreticalExact.getValue());
datumLabel->setLineWidth(m_lineWidth);
}
void QGIViewDimension::datumLabelDragged(bool ctrl)
{
Q_UNUSED(ctrl);
draw();
}
void QGIViewDimension::datumLabelDragFinished()
{
auto dim( dynamic_cast<TechDraw::DrawViewDimension *>(getViewObject()) );
if( dim == nullptr ) {
return;
}
double x = Rez::appX(datumLabel->X()),
y = Rez::appX(datumLabel->Y());
Gui::Command::openCommand("Drag Dimension");
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.X = %f", dim->getNameInDocument(), x);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.Y = %f", dim->getNameInDocument(), -y);
Gui::Command::commitCommand();
}
//this is for formatting and finding centers, not display
QString QGIViewDimension::getLabelText(void)
{
QString result;
QString first = datumLabel->getDimText()->toPlainText();
// QString second = datumLabel->getTolText()->toPlainText();
QString second = datumLabel->getTolTextOver()->toPlainText();
QString third = datumLabel->getTolTextUnder()->toPlainText();
if (second.length() > third.length()) {
result = first + second;
} else {
result = first + third;
}
// result = first + second;
return result;
}
void QGIViewDimension::draw()
{
if (!isVisible()) {
return;
}
TechDraw::DrawViewDimension *dim = dynamic_cast<TechDraw::DrawViewDimension *>(getViewObject());
if((!dim) || //nothing to draw, don't try
(!dim->isDerivedFrom(TechDraw::DrawViewDimension::getClassTypeId())) ||
(!dim->has2DReferences()) ) {
datumLabel->hide();
hide();
return;
}
const TechDraw::DrawViewPart *refObj = dim->getViewPart();
if (refObj == nullptr) {
return;
}
if(!refObj->hasGeometry()) { //nothing to draw yet (restoring)
datumLabel->hide();
hide();
return;
}
auto vp = static_cast<ViewProviderDimension*>(getViewProvider(getViewObject()));
if (vp == nullptr) {
datumLabel->show();
show();
return;
}
m_lineWidth = Rez::guiX(vp->LineWidth.getValue());
datumLabel->setRotation(0.0);
datumLabel->show();
resetArrows();
show();
if (vp->RenderingExtent.getValue() > ViewProviderDimension::REND_EXTENT_NONE) {
// We are expected to draw something, not just display the value
const char *dimType = dim->Type.getValueAsString();
if (strcmp(dimType, "Distance") == 0
|| strcmp(dimType, "DistanceX") == 0 || strcmp(dimType, "DistanceY") == 0) {
drawDistance(dim, vp);
}
else if (strcmp(dimType, "Diameter") == 0) {
drawDiameter(dim, vp);
}
else if (strcmp(dimType, "Radius") == 0) {
drawRadius(dim, vp);
}
else if (strcmp(dimType, "Angle") == 0 || strcmp(dimType, "Angle3Pt") == 0) {
drawAngle(dim, vp);
}
else {
Base::Console().Error("QGIVD::draw - this DimensionType is unknown: %s\n", dimType);
}
}
else {
// No dimension lines are drawn, the arrows are hidden
dimLines->setPath(QPainterPath());
drawArrows(0, nullptr, nullptr, false);
}
update();
if (parentItem()) {
//TODO: parent redraw still required with new frame/label??
parentItem()->update();
} else {
Base::Console().Log("INFO - QGIVD::draw - no parent to update\n");
}
}
double QGIViewDimension::getAnglePlacementFactor(double testAngle, double endAngle, double startRotation)
{
if (startRotation > 0.0) {
startRotation = -startRotation;
endAngle -= startRotation;
if (endAngle > M_PI) {
endAngle -= M_2PI;
}
}
if (testAngle > endAngle) {
testAngle -= M_2PI;
}
if (testAngle >= endAngle + startRotation) {
return +1.0;
}
testAngle += M_PI;
if (testAngle > endAngle) {
testAngle -= M_2PI;
}
if (testAngle >= endAngle + startRotation) {
return -1.0;
}
return 0.0;
}
int QGIViewDimension::compareAngleStraightness(double straightAngle, double leftAngle, double rightAngle,
double leftStrikeFactor, double rightStrikeFactor)
{
double leftDelta = DrawUtil::angleComposition(M_PI, straightAngle - leftAngle);
double rightDelta = DrawUtil::angleComposition(rightAngle, -straightAngle);
if (fabs(leftDelta - rightDelta) <= Precision::Confusion()) {
return 0;
}
if (leftStrikeFactor == rightStrikeFactor) {
double leftBend = fabs(leftDelta);
double rightBend = fabs(rightDelta);
return DrawUtil::sgn(leftBend - rightBend);
}
return rightStrikeFactor > leftStrikeFactor ? -1 : +1;
}
double QGIViewDimension::getIsoStandardLinePlacement(double labelAngle)
{
// According to ISO 129-1 Standard Figure 23, the bordering angle is 2/3 PI, resp. -1/3 PI
return labelAngle < -M_PI/3.0 || labelAngle > +2.0*M_PI/3.0
? +1.0 : -1.0;
}
Base::Vector2d QGIViewDimension::getIsoRefOutsetPoint(const Base::BoundBox2d &labelRectangle, bool right) const
{
return Base::Vector2d(right ? labelRectangle.MinX - getDefaultIsoReferenceLineOverhang()
: labelRectangle.MaxX + getDefaultIsoReferenceLineOverhang(),
labelRectangle.MinY - getDefaultIsoDimensionLineSpacing());
}
Base::Vector2d QGIViewDimension::getIsoRefJointPoint(const Base::BoundBox2d &labelRectangle, bool right) const
{
return getIsoRefOutsetPoint(labelRectangle, !right);
}
Base::Vector2d QGIViewDimension::getAsmeRefOutsetPoint(const Base::BoundBox2d &labelRectangle, bool right) const
{
return Base::Vector2d(right ? labelRectangle.MaxX : labelRectangle.MinX,
labelRectangle.GetCenter().y);
}
Base::Vector2d QGIViewDimension::getAsmeRefJointPoint(const Base::BoundBox2d &labelRectangle, bool right) const
{
return Base::Vector2d(right ? labelRectangle.MaxX + getDefaultAsmeHorizontalLeaderLength()
: labelRectangle.MinX - getDefaultAsmeHorizontalLeaderLength(),
labelRectangle.GetCenter().y);
}
Base::Vector2d QGIViewDimension::computePerpendicularIntersection(const Base::Vector2d &linePoint,
const Base::Vector2d &perpendicularPoint, double lineAngle)
{
return linePoint
+ Base::Vector2d::FromPolar((perpendicularPoint - linePoint)*Base::Vector2d::FromPolar(1.0, lineAngle),
lineAngle);
}
Base::Vector2d QGIViewDimension::computeExtensionLinePoints(const Base::Vector2d &originPoint,
const Base::Vector2d &linePoint, double hintAngle, double overhangSize,
double gapSize, Base::Vector2d &startPoint)
{
Base::Vector2d direction(linePoint - originPoint);
double rawLength = direction.Length();
if (rawLength <= Precision::Confusion()) {
direction = Base::Vector2d::FromPolar(1.0, hintAngle);
}
else {
direction = direction/rawLength;
}
if (overhangSize > rawLength - gapSize) {
// The extension line would be smaller than extension line overhang, keep it at least so long
startPoint = linePoint - overhangSize*direction;
}
else {
startPoint = linePoint - (rawLength - gapSize)*direction;
}
return linePoint + overhangSize*direction;
}
double QGIViewDimension::computeLineAndLabelAngles(const Base::Vector2d &rotationCenter,
const Base::Vector2d &labelCenter, double lineLabelDistance,
double &lineAngle, double &labelAngle)
{
// By default horizontal line and no label rotation
lineAngle = 0.0;
labelAngle = 0.0;
Base::Vector2d rawDirection(labelCenter - rotationCenter);
double rawDistance = rawDirection.Length();
if (rawDistance <= Precision::Confusion()) { // Almost single point, can't tell
return 0.0;
}
double rawAngle = rawDirection.Angle();
lineAngle = rawAngle;
// If we are too close to the line origin, no further adjustments
if (lineLabelDistance >= rawDistance) {
return 0.0;
}
// Rotate the line by angle between the label rectangle center and label bottom side center
double devAngle = getIsoStandardLinePlacement(rawAngle)*asin(lineLabelDistance/rawDistance);
lineAngle = DrawUtil::angleComposition(lineAngle, devAngle);
labelAngle = devAngle < 0.0 ? lineAngle : DrawUtil::angleComposition(lineAngle, M_PI);
return devAngle;
}
double QGIViewDimension::computeLineStrikeFactor(const Base::BoundBox2d &labelRectangle,
const Base::Vector2d &lineOrigin, double lineAngle,
const std::vector<std::pair<double, bool>> &drawMarking)
{
if (drawMarking.size() < 2) {
return 0.0;
}
std::vector<Base::Vector2d> intersectionPoints;
unsigned int startIndex = 0;
unsigned int currentIndex = 1;
while (currentIndex < drawMarking.size()) {
if (drawMarking[currentIndex].second != drawMarking[startIndex].second) {
if (drawMarking[startIndex].second) {
double segmentBase = drawMarking[startIndex].first;
double segmentLength = drawMarking[currentIndex].first - segmentBase;
DrawUtil::findLineSegmentRectangleIntersections(lineOrigin, lineAngle, segmentBase, segmentLength,
labelRectangle, intersectionPoints);
}
startIndex = currentIndex;
}
++currentIndex;
}
return intersectionPoints.size() >= 2 ? 1.0 : 0.0;
}
double QGIViewDimension::computeArcStrikeFactor(const Base::BoundBox2d &labelRectangle,
const Base::Vector2d &arcCenter, double arcRadius,
const std::vector<std::pair<double, bool>> &drawMarking)
{
if (drawMarking.size() < 1) {
return 0.0;
}
unsigned int entryIndex = 0;
while (entryIndex < drawMarking.size() && drawMarking[entryIndex].second) {
++entryIndex;
}
std::vector<Base::Vector2d> intersectionPoints;
if (entryIndex >= drawMarking.size()) {
DrawUtil::findCircleRectangleIntersections(arcCenter, arcRadius, labelRectangle, intersectionPoints);
}
else {
unsigned int startIndex = entryIndex;
unsigned int currentIndex = entryIndex;
do {
++currentIndex;
currentIndex %= drawMarking.size();
if (drawMarking[currentIndex].second != drawMarking[startIndex].second) {
if (drawMarking[startIndex].second) {
double arcAngle = drawMarking[startIndex].first;
double arcRotation = drawMarking[currentIndex].first - arcAngle;
if (arcRotation < 0.0) {
arcRotation += M_2PI;
}
DrawUtil::findCircularArcRectangleIntersections(arcCenter, arcRadius, arcAngle, arcRotation,
labelRectangle, intersectionPoints);
}
startIndex = currentIndex;
}
}
while (currentIndex != entryIndex);
}
return intersectionPoints.size() >= 2 ? 1.0 : 0.0;
}
double QGIViewDimension::normalizeStartPosition(double &startPosition, double &lineAngle)
{
if (startPosition > 0.0) {
startPosition = -startPosition;
lineAngle += M_PI;
return -1.0;
}
return +1.0;
}
double QGIViewDimension::normalizeStartRotation(double &startRotation)
{
if (copysign(1.0, startRotation) > 0.0) {
startRotation = -startRotation;
return -1.0;
}
return 1.0;
}
bool QGIViewDimension::constructDimensionLine(const Base::Vector2d &targetPoint, double lineAngle,
double startPosition, double jointPosition, const Base::BoundBox2d &labelRectangle,